CYCLOHEXIMIDE (From Streptomyces griseus) Strong protein synthesis inhibitor. Used in the selective isolation of Listeria species. 4 °C CAS number: [66-81-9] C15H23NO4 MW: 281.4 Purity: ≥ 94.0% Solubility: ethanol or methanol

DEOXYRIBONUCLEASE 1 RNase and Protease Free DRB002 - 20 °C Bovine Pancreas. Chromatographically purified to remove RNase and Protease Supplied lyophilized. Contains 2 mg glycine, 22 μmoles Calcium and > 10,000 units DNase 1. Reconstitution to 5 ml, concentration 1 mg/ml enzyme. Activity: > 10,000 Kunitz units/vial

DEOXYRIBONUCLEIC ACID   Salmon Testes   4 °C   Sodium Salt Min. 75% native nucleic acid.

DEXTRAN SULFATE DEX004 50% sterile Solutuion Suitable for nucleic acid hybridization. Nuclease activity: none detected

D-GLUCOSE, 45% (W/V), Autoclave Sterile GLU777 Suitable for cell culture 45% (W/V)

DIETHYLPYROCARBONATE (DEPC) DEP001 Strong inhibitor of RNase activity. 4 °C CAS number: [1609-47-8] C6H10O5 MW: 73.09 Purity: ≥ 97.0% Density: 1.12 To treat water with DEPC, add 1 ml of DEPC to 1 Liter of deionized water (0.1%). Stir overnight. Autoclave to remove DEPC. CAUTION: CO2 pressure may build up in the package as a result of hydrolysis of the product.

DIMETHYL SULFOXIDE (DMSO), Reagent Grade DMS555 CAS number: [67-68-5] (CH3)2SO MW: 78.13 Melting point: 18 °C Density: 1.1 g/L Purity: ≥ 99.9% Appearance: Clear/Colorless Water: < 0.1%

DITHIOTHREITOL, Electrophoresis Grade DTT001 CAS number: [3483-12-3] Ultra Pure Grade - 20 °C C4H10O2S2 MW: 154.25 Purity: > 99.5% 5 % Solution in H2O: Clear/Colorless A283 (0.02 M H2O): < 0.04 A305 (1% w/v H2O): < 0.05

CAS number: [6363-53-7] C 12 H 22 O 11 . H 2 O MW: 360.3 Purity: min. 95%

CAS number: [69-65-8] C 6 H 14 O 6 MW: 182.2 Appearance: white crystalline powder Purity: min.98% Heavy metals: max. 5ppm Specific rotation (1% water): 137° - 145° Arsenic: max. 1ppm Sulfate: max. 0.01% Chloride: max. 0.007%

DNAzol ® , non-toxic DNA isolation reagent. Genomic DNA isolation reagent for use with tissue, cells and liquids. NON-TOXIC. Requires no phenol. Fast, reliable and simple. 1 ml of DNAzol isolates DNA from 25-50 mg tissue or 1-3 x 107 cells. DNAzol ® , is a registered Trademark of Molecular Research Inc.

DROP-OUT MEDIUM SUPPLEMENTS (SYNTHETIC) DOM003 without Histidine, Leucine, Tryptophan and Uracil

D-SORBITOL, Reagent Grade SOR508 CAS number: [50-70-4] Used in electrophoresis and cell culture applications. C6H14O6 MW 182.2 Purity: min.98% Heavy Metals: < 0.001%

EDTA, Sterile Solutions EDT111 0.5M Solutions pH 8.0 Autoclave Sterile

EDTA, Sterile Solutions EDT333 0.5M Solutions pH 8.0 DEPC treated for RNA applications DNase and RNase free

EDTA, Disodium Dihydrate, Biotechnology Grade EDT001 CAS number: [6381-92-6] Suitable for Electrophoresis C10H14N2O8Na2.2H2O MW: 372.24 Purity: > 99% Insolubles: < 0.005% pH (5%, H2O): 4.0 - 6.0 Heavy Metals (as Pb): < 0.005% DNase, RNase Protease activity: none detected

EDTA, Sterile Solutions EDT222 0.5M Solutions pH 8.0 Sterile-filtered, DNase-free